21 St. James' Square is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 15 August 1974. Church.

21 St. James' Square

WRENN ID
quiet-attic-khaki
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 August 1974
Type
Church
Address
21 St. James' Square, Monmouth
OS grid reference
SO 510 129
Coordinates
51.81286, -2.71084
Source
Cadw listing

Also on this page: sale history · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

21 St. James' Square is a Grade II listed building featuring a rendered and painted exterior with a decorative band at the first floor and a Welsh slate roof topped with a red brick chimney stack. This single fronted, double depth house has an entrance located to the right. It stands three storeys tall and consists of one window bay. The ground floor includes a projecting bay window, likely a later 19th-century addition, which has a tripartite plate glass sash supported by brackets. The doorway on the right side has a four-panel door and a flat hood with pendants. The first floor window is a 10 over 10 pane sash, while the second floor window has a 3 over 3 configuration. The roof has a low pitch and features a chimney stack on the left gable. The rear elevation has not been observed. The interior was not seen during the resurvey.

Local climate

21 St. James' Square receives an average of 820 mm of rain a year. This makes it wetter than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.

It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 19 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • No EPC on record for this property
  • Sale history — 2 transactions since 1997
  • No related consent applications matched
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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